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Katana versions 4.5 or newer and RenderMan 24.3 and newer support hdPrman as a our Hydra render delegate, hdPrman, in the Katana Viewer.   

Environment Variable Configuration


Environment VariablePurposeExample with Default Install
Required for Katana to find the hdPrman plugin that ships with RfK
Required for RenderMan to find shaders that ship with hdPrman. You should also append the default shader path in $RMANTREE/lib/shaders if you do not already have $RMAN_SHADERPATH set.
Required for hdPrman to load textures. You should also append the default plugin path in $RMANTREE/lib/plugins if you do not already have $RMAN_RIXPLUGINPATH set.


If you want to see your RenderMan materials and lights in the Viewer, you will need to disable the Basic Material and Basic Lighting checkboxes in the Display menu.  If you do not disable these settings, you will simply get a render with a dome light and a gray , diffuse material.

It can also be useful to set the Selection setting to "outline" rather than "fill", to see the selected object material more easily.